Silverton, Colorado - 30x60 Minute Series Topo Map ROAD TRIP Pages: 194 p

Pages: 194 p

The definitions in this book are drawn largely from the authoritative 36

and pinpoint the many back-roads that crisscross the state

in dawned on him that he was viewing a landscape sculpted by water

Holocene eolian deposits cover approximately 15 square miles (~39 km2) of the quadrangle

Silverton, Colorado - 30x60 Minute Series Topo Map ROAD TRIP Pages: 194 pThe distinctive characteristic of a topographic map is that the shape of the Earth's surface is shown by contour lines. Contours are imaginary lines that join points of equal elevation on the surface of the land above or below a reference surface, such as mean sea level. Contours make it possible to measure the height of mountains, depths of the ocean bottom, and steepness of slopes. A topographic map shows more than contours. The map also includes